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<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=1027221
-->
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  <meta charset="utf-8">
  <title>Test for Bug 1027221</title>
  <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
  <script type="application/javascript">

  /** Test for Bug 1027221 **/
    // Set up a permanent atom
    SimpleTest.waitForExplicitFinish();
    var x = "x";
    // Trigger some incremental gc
    SpecialPowers.Cu.getJSTestingFunctions().gcslice(1);

    // Kick off a worker that uses this same atom
    var w = new Worker("data:text/plain,Promise.resolve('x').then(function() { postMessage(1); });");
    // Maybe trigger some more incremental gc
    SpecialPowers.Cu.getJSTestingFunctions().gcslice(1);

    w.onmessage = function() {
      ok(true, "Got here");
      SimpleTest.finish();
    };

  </script>
</head>
<body>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1027221">Mozilla Bug 1027221</a>
<p id="display"></p>
<div id="content" style="display: none">

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<pre id="test">
</pre>
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